The campagnolo neutron ultra campagnolo compatible wheelset is a version of the neutron but has an extremely low weight you must feel it to believe it the secret precise dimensioning of the walls and top bridge of the rim and the spectacular carbon fibre hubs neutron have calibrated extrusions for the hi tech rims and hubs with carbon body and aluminium flanges the wheel characteristics are exceptional lightness reactivity and lateral rigidity when off the saddle while the very light hubs